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Technical content
AiT Semiconductor Inc. www.ait-ic.com COMMON MODE CHOKE CMW
- FEATURE 1. High common mode impedance at high frequency effects excel noise suppression performance 2. Suitable for differential signal line like USB2.0, IEEE 1394 and LVDS
- APPLICATITON 1. Ideal for use as common-mode chokes for USB1.1/USB2.0/IEEE 1394 interface
- ORDERING INFORMATION CMW 3216 -900 PN Impedance(Ω)
- SHAPE AND DIMENSION ●SCHEMATICS AND LAND PATTERNS(mm) CMW 3216 (1206) CMW 2012 (0805)
AiT Semiconductor Inc. www.ait-ic.com COMMON MODE CHOKE CMW
- SPECIFICATION Dimension in mm PART NUMBER Common Mode Impedance (ohm) ( tolerance±20%) (Typ.) at 100MHz Rated Current (mA) Rated Voltage (Vdc) Insulation Resistance (M ohm) Withstand Voltage (Vdc) DCR (max.) (ohm) CMW3216-900 90 370 50 10 min 125 0.30 CMW3216-161 160 340 50 10 min 125 0.40 CMW3216-261 260 310 50 10 min 125 0.50 CMW3216-601 600 260 50 10 min 125 0.80 CMW3216-102 1000 230 50 10 min 125 1.00 CMW3216-222 2200 200 50 10 min 125 1.20 CMW2012-670 67 400 50 10 min 125 0.25 CMW2012-900 90 330 50 10 min 125 0.35 CMW2012-101 100 ±25% 330 50 10 min 125 0.35 CMW2012-121 120 370 50 10 min 125 0.30 CMW2012-161 160 330 50 10 min 125 0.33 CMW2012-181 180 330 50 10 min 125 0.35 CMW2012-221 220 310 50 10 min 125 0.35 CMW2012-261 260 300 50 10 min 125 0.40 CMW2012-371 370 280 50 10 min 125 0.40 Note1. Measurement ambient temperature of electrical : at 20°C Note2. Test equipment: HP4291A
AiT Semiconductor Inc. www.ait-ic.com COMMON MODE CHOKE CMW
- ELECTRICAL CURVE CMW 3216 Common mode curve Normal mode curve CMW 2012 Common mode curve Normal mode curve
- TEST CIRCUIT COMMON MODE NORMAL MODE
AiT Semiconductor Inc. www.ait-ic.com COMMON MODE CHOKE CMW
- GENERAL CHARACTERISTICS 1. Operating temperature range: -40 TO + 85°C (Includes temperature when the coil is heated) 2. External appearance: On visual inspection, the coil has external defects. 3. Terminal strength: After soldering. Between copper plate and terminals of coil. Push in two directions of X.Y withstanding at below conditions. Terminal should not peel off. (refer to figure at right) 0.5kg 4. Insulating resistance: Over 100MΩ at 100V D.C. between coil and core. 5. Dielectric strength: No dielectric breakdown at 100V D.C. for 1 minute between coil and core. 6. Temperature characteristics: Inductance coefficient (0~2,000)x10-6/°C (-25~+80°C). 7. Humidity characteristics(Moisture Resistance): Inductance deviation within ±5%, after 96 hours in 90~95% relative humidity at 40 ±2°C and 1 hour drying under normal condition. 8. Vibration resistance: Inductance deviation within ±5%, after vibration for 1 hour. In each of three orientations at sweep vibration (10~55~10 Hz) with 1.5mm P-P amplitudes. 9. Shock resistance: Inductance deviation within ±5%, after being dropped once with 981m/s2 (100G) shock attitude upon a rubber block method shock testing machine, in three different orientations. 10. Resistance to Soldering Heat: 260°C, 10 seconds. 11. Storage environment Storage condition: Temperature Range: 10°C ~ 35°C (Generally: 21°C ~ 31°C) Humidity Range: 50% ~ 80% RH (Generally: 65% ~ 75%) Transportation condition: Temperature Range: -35°C ~ 85°C, Humidity Range: 50% ~ 95% RH 12. Use components within 6 months. If 6 months or more have elapsed, check soldarability before use. 13. Reflow profile recommend: Lead - free heat endurance test Lead-free the recommended reflow condition